Carlson did chemical experiments in his own home, to the frustration of his family and neighbours. He mad smelly compounds, melting sulfur over zinc plates in the kitchen smelling like rotten eggs, and once even starting a fire.
Carlson used Selényi’s ideas (more or less to use light to remove static charge, not create it) and his own. After many experiments, he had a breakthrough and created the first copy in 1938.
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The Xerox 914 copy machine of 1959 is a great breakthrough in office technology and product design. Its hallmark was simplicity: You simply paced your paper on glass and pressed a button.
How Chester Carlson invented it is a story of risk and persistence. ...
Another decade of development produced the Xerox 914 - named because it could copy paper up to 9″ x 14″. This model was simple to use and didn't damage originals.
As with most new tech, it had some problems. It tended to overheat and often came with a fire extinguisher. The machines requir...
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